Table 3. The qualitative lipase activities of the isolates and reference strains in olive oil and tributyrin broths per cell yields (U/mg) during 24, 48 and 72 h (High activities were marked with grey).

Bacteria	Lipase activity (U/mg)
	Substrate used in enzyme production media
	Olive Oil			Tributyrin
	24 h	48 h	72 h	24 h	48 h	72 h
G. stearothermophilus A113	0.011	0.005	0.0035	0.0045	0.0025	0.001
G. thermodenitrificans subsp. calidus F84b	0.0095	0.009	0.008	0.002	0.00	< 0.001
G. thermodenitrificans DSM 465T	0.008	0.007	0.006	0.0025	0.00	< 0.001
G. thermodenitrificans subsp. calidus F84a	0.006	0.007	0.0075	0.0015	0.002	0.004
G. stearothermophilus ATCC 7953T	0.0055	0.006	0.006	0.002	0.001	0.001
Geobacillus sp. A353	0.0045	0.003	0.0065	< 0.001	< 0.001	< 0.001
G. thermodenitrificans D195	0.003	0.0015	0.0015	< 0.001	< 0.001	< 0.001
Geobacillus sp. E173b	0.003	0.003	0.0035	< 0.001	< 0.001	< 0.001
G. stearothermophilus ATCC 43223T	0.002	0.003	0.004	0.001	0.001	0.002
G. stearothermophilus ATCC 12980T	0.0015	0.0015	0.004	0.003	0.0025	0.002
A. caldiproteolyticus A403	0.0015	0.0035	0.002	< 0.001	< 0.001	< 0.001
G. toebii DSM 14590T	0.001	0.0025	0.003	< 0.001	< 0.001	< 0.001
Aeribacillus sp. C196	< 0.001	0.001	0.0025	< 0.001	< 0.001	< 0.001
A. caldiproteolyticus D494	< 0.001	0.002	0.0025	< 0.001	< 0.001	< 0.001
Aeribacillus sp. D642	< 0.001	0.0015	0.002	< 0.001	< 0.001	< 0.001
G. kaustophilus DSM 7263T	< 0.001	0.005	0.0065	< 0.001	< 0.001	< 0.001
G. vulcani DSM 13174T	< 0.001	0.003	0.0045	< 0.001	< 0.001	< 0.001
Geobacillus sp. D413	< 0.001	0.0025	0.0025	< 0.001	< 0.001	< 0.001